#pragma once
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#include <c10/util/Optional.h>
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#include <torch/csrc/jit/script/tree.h>
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namespace torch {
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namespace jit {
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namespace script {
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struct Call {
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std::string fn_name;
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c10::optional<SourceRange> caller_range;
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};
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struct CAFFE2_API ErrorReport : public std::exception {
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ErrorReport(const ErrorReport& e);
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ErrorReport();
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explicit ErrorReport(SourceRange r);
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explicit ErrorReport(const TreeRef& tree) : ErrorReport(tree->range()) {}
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explicit ErrorReport(const Token& tok) : ErrorReport(tok.range) {}
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const char* what() const noexcept override;
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struct CAFFE2_API CallStack {
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// These functions are used to report why a function was being compiled
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// (i.e. what was the call stack of user functions at compilation time that
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// led to this error)
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CallStack(const std::string& name);
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~CallStack();
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// Change the range that is relevant for the current function (i.e. after
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// each successful expression compilation, change it to the next expression)
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static void update_pending_range(const SourceRange& range);
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};
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private:
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template <typename T>
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friend const ErrorReport& operator<<(const ErrorReport& e, const T& t);
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mutable std::stringstream ss;
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c10::optional<SourceRange> context;
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mutable std::string the_message;
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std::vector<Call> error_stack;
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};
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template <typename T>
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const ErrorReport& operator<<(const ErrorReport& e, const T& t) {
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e.ss << t;
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return e;
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}
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} // namespace script
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} // namespace jit
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} // namespace torch
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